#include<bits/stdc++.h>
using namespace std;
int f[100111];
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n,x;
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>x;
        f[x]++;
    }
    int ans=0;
    for(int i=1;i<=100000;i++)
        ans=max(ans,f[i]);
    cout<<ans<<"\n";
    return 0;
}